<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <div id="app">
        <div>
            <span>姓名:</span>
            <input type="text" v-model="name" />
        </div>
        <div>
            <span>年龄:</span>
            <input type="number" v-model="age " />
        </div>
        <div>
            <span>性别:</span>
            <select v-model="gender">
                <option value="男">男</option>
                <option value="女">女</option>
            </select>
        </div>
        <div>
            <button @click="add">添加</button>
            <button @click="fix">修改</button>
        </div>
        <div>
            <table border="1" cellpadding="10" cellspacing="0">
                <tr>
                    <th>序号</th>
                    <th>姓名</th>
                    <th>年龄</th>
                    <th>性别</th>
                    <th>操作</th>
                </tr>
                <tr v-for="(item,index) in list">
                    <td>{{index+1}}</td>
                    <td>{{item.name}}</td>
                    <td>{{item.age}}</td>
                    <td> {{item.gender}}</td>
                    <td>
                        <button @click="del(item.id)">删除</button>
                        <button  @click="change(index)">编辑</button>
                    </td>
                </tr>
            </table>
        </div>
    </div>
    <script src="../vue.js"></script>
    <script>
        const app = new Vue({
            el: '#app',
            data: {
                name: '',
                age: '',
                gender: '',
                index:'',
                list: [
                    { id: 1, name: '张三', age: 18, gender: '男' },
                    { id: 2, name: '李四', age: 19, gender: '女' },
                    { id: 3, name: '王五', age: 20, gender: '男' }
                ]
            },
            methods: {
                add() {
                    this.list.push(
                        {
                            id: Date.now(),
                            name: this.name,
                            age: this.age,
                            gender: this.gender
                        })
                    this.age = ''
                    this.name = ''
                    this.gender = ''
                },
                del(id) {
                    this.list = this.list.filter(item => item.id !== id)
                },
                change(index){
               this.age= this.list[index].age
               this.name= this.list[index].name
               this.gender= this.list[index].gender
               this.index=index
                },
                fix(){
                 this.list.splice(this.index,1,{
                            id: Date.now(),
                            name: this.name,
                            age: this.age,
                            gender: this.gender
                        })
                }
            }
        })
    </script>
</body>

</html>